Searched refs:lsf (Results 1 - 9 of 9) sorted by relevance

/frameworks/av/media/libstagefright/codecs/amrnb/common/include/
H A Dlsfwt.h103 Word16 *lsf, /* input : LSF vector */
H A Dreorder.h95 Word16 *lsf, /* (i/o) : vector of LSFs (range: 0<=val<=0.5) */
H A Dlsp_lsf.h101 Word16 lsf[], /* (i) : lsf[m] normalized (range: 0.0<=val<=0.5) */
108 Word16 lsf[], /* (o) : lsf[m] normalized (range: 0.0<=val<=0.5) */
/frameworks/av/media/libstagefright/codecs/amrnb/common/src/
H A Dreorder.cpp85 lsf = vector of LSFs (range: 0<=val<=0.5)(Word16)
93 lsf -> reordered vector of LSFs (Word16)
124 Word16 *lsf, // (i/o) : vector of LSFs (range: 0<=val<=0.5)
139 if (sub (lsf[i], lsf_min) < 0)
141 lsf[i] = lsf_min;
143 lsf_min = add (lsf[i], min_dist);
174 Word16 *lsf, /* (i/o) : vector of LSFs (range: 0<=val<=0.5) */
182 Word16 *p_lsf = &lsf[0];
173 Reorder_lsf( Word16 *lsf, Word16 min_dist, Word16 n, Flag *pOverflow ) argument
H A Dlsp_lsf.cpp127 lsf = buffer containing normalized line spectral frequencies; valid
150 lsf[i] = arccos(lsp[i])/(2*pi)
152 The transformation from lsp[i] to lsf[i] is approximated by a look-up table
169 Word16 lsf[], // (i) : lsf[m] normalized (range: 0.0<=val<=0.5)
179 ind = shr (lsf[i], 8); // ind = b8-b15 of lsf[i]
180 offset = lsf[i] & 0x00ff; // offset = b0-b7 of lsf[i]
215 Word16 lsf[], /* (
214 Lsf_lsp( Word16 lsf[], Word16 lsp[], Word16 m, Flag *pOverflow ) argument
346 Lsp_lsf( Word16 lsp[], Word16 lsf[], Word16 m, Flag *pOverflow ) argument
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H A Dlsfwt.cpp55 lsf -- Pointer to Word16 -- LSF vector
75 d[i] = lsf[i+1] - lsf[i-1]
187 Word16 *lsf, /* input : LSF vector */
196 Word16 *p_lsf = &lsf[0];
197 Word16 *p_lsf_2 = &lsf[1];
201 /* wf[0] = lsf[1] - 0 */
210 * wf[9] = 4000 - lsf[8]
186 Lsf_wt( Word16 *lsf, Word16 *wf, Flag *pOverflow ) argument
/frameworks/av/media/libstagefright/codecs/amrnb/dec/src/
H A Ddtx_dec.h159 D_plsfState* lsfState, /* i/o : decoder lsf states */
171 Word16 lsf[],
H A Ddtx_dec.cpp195 // initialize decoder lsf history
294 /* initialize decoder lsf history */
344 lsfState = decoder lsf states
354 lsfState = decoder lsf states
390 D_plsfState* lsfState, // i/o : decoder lsf states
425 Word16 lsf[M];
483 lsf[j] = extract_l(L_shr(L_lsf[j],3)); // divide by 8
486 Lsf_lsp(lsf, st->lsp, M);
492 // compute lsf variability vector
498 // compute mean lsf
881 Word16 lsf[M]; local
1493 dtx_dec_activity_update(dtx_decState *st, Word16 lsf[], Word16 frame[], Flag *pOverflow) argument
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/frameworks/av/media/libstagefright/codecs/amrnb/enc/src/
H A Ddtx_enc.cpp541 Word16 lsf[M];
621 Lsp_lsf(lsp, lsf, M);
622 Reorder_lsf(lsf, LSF_GAP, M);
623 Lsf_lsp(lsf, lsp, M);
677 Word16 lsf[M]; local
808 Lsp_lsf(lsp, lsf, M, pOverflow);
809 Reorder_lsf(lsf, LSF_GAP, M, pOverflow);
810 Lsf_lsp(lsf, lsp, M, pOverflow);

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